Re: [Ksummit-discuss] [TECH TOPIC] benchmarking and performance trends

[Kristen Accardi <kaccardi@gmail.com>]

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I am very interested to hear what if any benchmarks people are doing on
non-server platforms as well.  I find it difficult to know what benchmarks
customers think are important for upstream linux for desktop and mobile
systems that are not running Android or Chrome, and would love to hear what
others are using.

On Wed, Jul 15, 2015 at 8:37 AM Chris Mason <clm@fb.com> wrote:

> Hi everyone,
>
> I know I never get bored of graphs comparing old/new, but I feel guilty
> suggesting this one yet again.  Still, I think it's important for the
> people trying to push new kernels into production to have a chance to
> talk about the problems we've hit, and/or the changes that have made
> life easier.
>
> We're starting to push 4.0 into prod (122 hosts almost counts), and I'm
> sure we'll backport some wins from 4.2+.  I'm hoping to make this a
> collection point for other benchmarking war stories.  Our biggest gains
> right now are coming from scsi-mq, and early benchmarks show 4.2 has a
> boost that I'm hoping are from the futex locking improvements.
>
> It ties in a little with the new interfaces applications may be able to use
> (restartable sequences etc topic), and I want to ask the broad question of
> "are we doing enough to prevent performance regressions".
>
> We have a long list of people involved on the Facebook side, Jens at the
> very least can talk about the scsi/block-mq benchmarks.  I'd love to hear
> Fengguang's thoughts as well.
>
> -chris
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